81656778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{26633}}^1$

素因数の和:26718

約数の個数: 32

約数和(自身を含む): 189207936

約数和(自身を除く): 107551158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 26633, 53266, 79899, 159798, 186431, 372862, 559293, 1118586, 1944209, 3888418, 5832627, 11665254, 13609463, 27218926, 40828389, 81656778]

約数ペア:

[(1, 81656778), (2, 40828389), (3, 27218926), (6, 13609463), (7, 11665254), (14, 5832627), (21, 3888418), (42, 1944209), (73, 1118586), (146, 559293), (219, 372862), (438, 186431), (511, 159798), (1022, 79899), (1533, 53266), (3066, 26633)]